Dell EMC SmartFabric OS10 User Guide Release 10.5.0

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Mandatory TLVs

OS10 supports the three mandatory TLVs. These mandatory TLVs are at the beginning of the LLDPDU in the following order:

Chassis ID TLV
Port ID TLV
Time-to-live TLV

Table 1. Mandatory TLVsMandatory TLVs
Mandatory TLVs	Type	Description
Chassis ID	1	Identifies the chassis.
Port ID	2	Identifies a port through which the LAN device transmits LLDPDUs.
Time-to-live	3	Number of seconds that the received information in this LLDPDU is valid.
End of LLDPDU	0	Marks the end of an LLDPDU.